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Multiple Choice Questions
1. Which of the following lists the levels of organization of the human body in the correct
order?
A. chemical level, organelle level, cellular level, tissue level, organ level, systems level,
organism level
B. chemical level, tissue level, organ level, systems level, organelle level, cellular level,
organism level
C. organelle level, chemical level, cellular level, tissue level, organ level, systems level,
organism level
D. chemical level, organelle level, cellular level, tissue level, organism level, organ level,
systems level
2. The organelle level of organization includes which of the following concepts?
A. The study of organ systems working together to create organisms
B. The study of body structures and organs
C. The study of atoms and how they form bonds
D. The study of cellular organelles and how they work together in a living cell
3. All of the following are a level of organization in the human body except which one?
A. Organs
B. Cells
C. Atoms
D. Tissues
4. What is matter?
A. Anything that takes up space
B. Anything that has mass
C. Anything that takes up space and has mass
D. Everything is composed of matter.
Chapter 002 Levels of Organization of the Human Body
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5. All of the following items are composed of matter except which one?
A. All of the answer choices have matter.
B. The air we breathe
C. The steam formed from boiling water
D. The fumes emitted from a vehicle
6. Which forms of an element can be used as a diagnostic tool?
A. Isotopes
B. Radioisotopes
C. Atomic isotopes
D. Radioactive
7. Which of the following is found orbiting the atom?
A. Proton
B. Neutron
C. Electron
D. Nucleus
8. Which of the following correctly describes the atomic number?
A. The combined number of protons and neutrons
B. The number of protons
C. The number of electrons
D. The combined number of protons and electrons
9. Which of the following types of bonding is characterized by two or more atoms sharing
electrons to fill their outer shells?
A. Ionic bond
B. Covalent bond
C. Charged bond
D. Hydrogen bond
Chapter 002 Levels of Organization of the Human Body
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10. All of the following statements describe functions of water except which one?
A. Water chemically bonds molecules to form electrolytes.
B. Water works as a lubricant in tears and the fluid of joints.
C. Water aids in chemical reactions as in saliva during digestion.
D. Water is used to transport nutrients and wastes in blood plasma.
11. Which statement correctly describes a hypertonic solution when compared to another
solution?
A. The solution is more concentrated with solutes than the other solution.
B. The solution has the same concentration of solutes as the other solution.
C. The solution is less concentrated with solutes than the other solution.
D. The solution is less concentrated with solvent than the other solution.
12. What is an acid?
A. A molecule with a pH of 7
B. A molecule that releases hydroxide ions when added to water
C. A molecule that releases hydrogen atoms when added to water
D. A molecule with a pH higher than 7
13. What is a base?
A. A molecule with a pH of 7
B. A molecule that releases hydroxide ions when added to water
C. A molecule that releases hydrogen atoms when added to water
D. A molecule with a pH less than 7
14. If a solution has a pH of 12, which of the following statement is incorrect?
A. The solution is a base.
B. The solution will release hydroxide ions when added to water.
C. The solution is alkaline.
D. The solution will release hydrogen atoms when added to water.
Chapter 002 Levels of Organization of the Human Body
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15. What condition results if the blood’s pH is less than 7.35?
A. Acidosis
B. Alkalosis
C. Acidic
D. Alkaline
16. What are the four types of organic molecules?
A. Glucose, proteins, lipids, nucleic acids
B. Carbohydrates, proteins, lipids, nucleic acids
C. Monosaccharides, proteins, lipids, nucleotides
D. D.Carbohydrates, amino acids, lipids, nucleic acids
17. All of the following are examples of the function of proteins except?
A. Transport
B. Strength
C. Fight foreign invaders
D. Store energy
18. Which organic molecules are responsible for composing DNA as the genetic material of
the cell?
A. Proteins
B. Lipids
C. Nucleic Acids
D. Carbohydrates
19. What are the building blocks of proteins?
A. Monosaccharide
B. Amino acid
C. Nucleotide
D. Glycerol
Chapter 002 Levels of Organization of the Human Body
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20. Which of the following is an example of the function of lipids?
A. Genetic material
B. Transport
C. Fight foreign invaders
D. Store energy
21. Carbohydrates contain carbon, hydrogen, and oxygen in which of the following ratios?
A. 1:1:1
B. 2:1:2
C. 1:2:1
D. 2:1:1
22. What is metabolism?
A. The speed of chemical reactions in a human body
B. The sum total of all chemical reactions in the human body
C. The temperature of chemical reactions in the human body
D. The concentration of reactants in chemical reactions within the human body
23. What governs the speed of a reaction?
A. The concentration of reactants
B. The temperature of the reaction
C. The presence of a catalyst
D. All of these are correct.
24. Why does the human body use cellular respiration?
A. To release energy within the bonds of the glucose molecule
B. To create carbon dioxide
C. To produce water
D. To allow us to bre
